Перевод чисел из двоичной и десятичной систем счисления

1. 10111₂ = 1×2⁴ + 0×2³ + 1×2² + 1×2¹ + 1×2⁰ = 16 + 0 + 4 + 2 + 1 = 23₁₀
2. 100001₂ = 1×2⁵ + 0×2⁴ + 0×2³ + 0×2² + 0×2¹ + 1×2⁰ = 32 + 0 + 0 + 0 + 0 + 1 = 33₁₀
3. 11111₂ = 1×2⁴ + 1×2³ + 1×2² + 1×2¹ + 1×2⁰ = 16 + 8 + 4 + 2 + 1 = 31₁₀
4. 110000111₂ = 1×2⁸ + 1×2⁷ + 0×2⁶ + 0×2⁵ + 0×2⁴ + 0×2³ + 1×2² + 1×2¹ + 1×2⁰ = 256 + 128 + 0 + 0 + 0 + 0 + 4 + 2 + 1 = 391₁₀
5. 1110010101₂ = 1×2⁹ + 1×2⁸ + 1×2⁷ + 0×2⁶ + 0×2⁵ + 1×2⁴ + 0×2³ + 1×2² + 0×2¹ + 1×2⁰ = 512 + 256 + 128 + 0 + 0 + 16 + 0 + 4 + 0 + 1 = 917₁₀

1. 136₁₀ = 10001000₂

   136 | 2
     68 | 2
     34 | 2
     17 | 2
      8 | 2
      4 | 2
      2 | 2
      1 | 1
      0
    

2. 125₁₀ = 01111101₂

   125 | 2
    62 | 2
    31 | 2
    15 | 2
     7 | 2
     3 | 2
     1 | 2
     0
    

3. 213₁₀ = 11010101₂

   213 | 2
   106 | 2
    53 | 2
    26 | 2
    13 | 2
     6 | 2
     3 | 2
     1 | 1
     0
    

4. 310₁₀ = 100110110₂

   310 | 2
   155 | 2
    77 | 2
    38 | 2
    19 | 2
     9 | 2
     4 | 2
     2 | 2
     1 | 1
     0
    

5. 1000₁₀ = 1111101000₂

   1000 | 2
    500 | 2
    250 | 2
    125 | 2
     62 | 2
     31 | 2
     15 | 2
      7 | 2
      3 | 2
      1 | 1
      0